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2nd July 2022, 11:05 | #63261 | Link |
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Join Date: Aug 2016
Location: France
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Hi !
I have a problem with MadVR, I think since at least 3 months, but I didn't notice it because I didn't watch lots of movies with my computer these last months (I watch lots of things on Amazon Prime Video). I almost sure that the problem came with the last versions of the Nvidia drivers. It's always getting worse... In fact, I have dropped frames when I display a movie at 23,976 or 24 Hz. I haven't when I stay with 60 Hz. But when I use D3D 11 with MadVR, the dropped frames are not showed in the statistics, only when I use D3D 9. I only have this with MadVR, not with EVR Custom Pres. for example. I tried to disable LAV Video and use the internal filter of MPC-BE instead, tried to disable the A/V sync, but the problem stays the same. You can see it in this video: https://mega.nz/file/7pNGySpZ#kr3JRZ...r7Ki0uKm-lCcpU Strangely, when I tried to record the problem with ShadowPlay or OBS, it looks smooth as you can see in the 1st part of the video Maybe a problem of vsync... But in fact, I have stuttering like in the 2nd part of the video. And with D3D 9 in MadVR, sometimes I have black frames which are appearing repeatedly (not as long that in my record) or just dropped frames. I would like to install an older version of my Nvidia drivers, but the problem is the automatic updates of GeForce Experience and the drivers that I can't disable. Thanks Nvidia...! Thank you for your help please ! |
2nd July 2022, 13:10 | #63263 | Link | |
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Join Date: Aug 2016
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I noticed that ticking the setting "scale chroma separately, if it saves performance" is saving me 40 watts on 4k60HDR video.
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My favourite dithering algo is from CeeJay's SweetFX (part of ReShade) which does randomised noise added to green and subtracted from red and blue: Last edited by flossy_cake; 2nd July 2022 at 13:31. |
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2nd July 2022, 16:39 | #63264 | Link | |
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I made some shaders some time ago to be able to do this, since madVR uses the DisplayCAL roll-off. I'll be sharing them at some point when I have time to work on them a bit and do some tests, but I've been so lazy lately and interested in other things, that I don't even remember how some things worked. Now I'm interested in adding other options (BT.2446), so I hope that this will motivate me to return to the subject. With the DisplayCAL roll-off, you have to set the DPL much lower to get the same brightness in the highlights, so as you've noticed, the result is more compressed, flat and lacking in contrast. And it has other drawbacks too, like color tints in whites. With the original roll-off the only drawback in comparison is the loss of detail in the very bright highlights, but I can live perfectly well with that.
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2nd July 2022, 19:19 | #63265 | Link | |
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Quote:
Moving noise is more obvious than static noise. Humans are very sensitive to motion. That is how madVR's random dithering algorithm with colored dithering noise enabled works.
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madVR options explained |
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2nd July 2022, 22:03 | #63266 | Link | |
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Quote:
edit: just checked MadVR on an AVSHD709 gradient ramp with it set to Random Dithering, "use colored noise" and toggling "change dither for every frame" and cannot observe a difference. Maybe your monitor uses its own temporal dithering which is somehow clashing/interacting with it? Maybe the slower pixel response time of LCD makes the patterns blur together or something? edit: here is the gradient ramp test pattern. When I turn off dithering in MadVR I get obvious banding so it's definitely working, I just can't see any diff between temporal or static. edit: well the description "hides dither patterns, but subjectively increases noise" doesn't make sense to me since hiding the dither pattern is what reduces noise. edit: speculation: maybe it's because the temporal dithering is animated at the monitor refresh rate, so if you're in 24hz display mode then you would only get 24fps dithering which I'm looking at now using RTSS to cap at 24fps and yes I can see it is slightly noisier with my nose up to the screen but still not as noisy as static at the same strength. Maybe OLED's instant pixel response makes temporal look even noisier? From memory I could see static dither patterns in the dark tones when I used to have Panasonic OLED and I was wondering why they didn't use temporal, maybe that's why? Last edited by flossy_cake; 2nd July 2022 at 22:34. |
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4th July 2022, 20:41 | #63269 | Link |
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Join Date: Dec 2016
Posts: 2
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some opinions
Hi everyone! ive been a member now since 2016 and have been using Madvr for a bit longer than that. i haven't posted one post and i am by far a not an expert but i thought i would share some things that have helped me to get more performance out of my windows 10 pc.
I have found a program called Wtools by WagnardSoft (im not connected with this developer in anyway) and it has a feature to turn on called "Message Signal Interrupt" (Nvidia cards only) which i have found has dropped my rendering times down a fair bit. does anyone know much about this? i have only read that it has something to do with the I/O of the graphics card so it doesn't have to compete with other components??? but any information about this would help and hopefully this could help someone else to get more out of their GPU!?!? I have also turned off Hardware-accelerated GPU scaling in Windows 10 as well as a few other things, i would like to know if there are any other tweaks that anyone knows of to boost it more? other than the standard Nvidia control panel tweaks? I haven't seen many posts about tweaks so I thought to myself you can only ask the question! Also too, i have a awesome but old 1080p RGBY 70 inch Sharp Aquos TV that i brought in 2012 which has a great picture and colours and im trying to keep it for as long as i can so i am using 4x DSR to upscale to 4k then downscale to 1080p with Nvidia control panel options either off, application controlled or running the least amount of filtering possible, which does make everything look alot better than it is without using DSR, i noticed that there really is much information in the way of using DSR so any thoughts or suggestions on my setup would be appreciated? I am running a 3900x @4.5Ghz, x570 Aurous pro wifi, 16gb 3600mhz 16-16-16-32 CR1 @XMP, Gigabyte Xtreme Gaming GTX-1080 @2100mhz all OC's completely stable and cool with zero stuttering Thank you in advance! Last edited by Hellfire1985; 4th July 2022 at 22:21. Reason: Completely didn't read what i had wrote, please forgive me? |
4th July 2022, 21:51 | #63270 | Link |
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I forgot to ask
Continuing on from my previous post.
As i stated my Sharp TV is RGBY not just the standard RGB, i know it is only adding a yellow sub-pixel but if anyone knows how that works in a display and also would it, if any have an effect on the RGB conversion or anything in Madvr? My tv also has a option for wide colour gammit and i do use it because when i turn it off the colours wash out, yet windows 10 can tell when a display has WGC but the TV doesn't show up as WCG, so im thinking the TV is too old for Windows 10 to recognize the option. What doesn't help that Sharp didn't provide many of the TV's spec's not even in the the owners manual, could anyone please help me with giving me more information about this TV? It is a Sharp Aquos LC70LE735X Last edited by Hellfire1985; 4th July 2022 at 22:14. Reason: I have a nack for leaving things out! it's a gift ;) |
4th July 2022, 21:57 | #63271 | Link |
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I find that ordered not coloured is a tiny bit warmer, you can see that in the 4th stripe from the right.
I also imagine having change pattern every frame off also makes it less noisy. You can see the difference with it on and off if you define your display as 2-4 bit there. This pairs well with Mitchell-Netravali AR. Has a creamier cinematic tone. With coloured noise on, it feels heavier. Very subjective I know. |
4th July 2022, 22:28 | #63272 | Link | |||||
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[QUOTE=Hellfire1985;1971247]Hi everyone! ive been a member now since 2016 and have been using Madvr for a bit longer than that. i haven't posted one post and i am by far a not an expert but i thought i would share some things that have helped me to get more performance out of my windows 10 pc.[ /quote]
i will only answer to madVR relate this because this is the madVR thread Quote:
so there is something behind it why it isn't used on other card do it at your own risk. Quote:
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having a WCG is a standard feature. it's not rare for a TV to loose gamut over the years maybe that's why it is washed out without it. |
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5th July 2022, 08:09 | #63273 | Link |
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If you inspect the pixel values in photoshop you will see all pixels are grey and there is no colour in the image. If it looks warm I can't explain that really, maybe it's due to some greyscale nonlinearity of your display causing the coloured dithering to be not quite as uniform as it should be.
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5th July 2022, 12:08 | #63274 | Link | |
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MSI lowers interrupt latencies but I doubt it has such a big effect on madVR. Anyway it can't be bad and you'll see immediately if it works or not, the device will have immediate big obvious problems if it doesn't.
I've tested hardware accelerated GPU scheduling with a 1050 Ti but I couldn't see any difference with madVR even though it's said that feature helps with lower end systems and I have an ancient CPU. Quote:
- set your TV gamut to native/widest - profile it and create madVR-compatible 3DLUTs for it with a colourimeter for all the standard gamuts, and use the LUTs with madVR. IMO the only way that TV's gamut is wider than BT.709 is in the yellows and maybe greens, but you would see very little difference in practice. Not worth the trouble for me.
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HTPC: Windows 10 22H2, MediaPortal 1, LAV Filters/ReClock/madVR. DVB-C TV, Panasonic GT60, Denon 2310, Core 2 Duo E7400 oc'd, GeForce 1050 Ti 536.40 |
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5th July 2022, 14:32 | #63275 | Link |
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Join Date: Feb 2019
Posts: 231
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I forgot to answer this part.
I use 8-bit as it just works overall more simply than 10-bit and on a projector with around 100 nit luminance range, 8 bits are plenty for smooth gradients, especially with madVR's high quality dithering. |
5th July 2022, 20:00 | #63276 | Link |
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Join Date: Aug 2005
Posts: 293
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Hello guys.
Suddenly I have lost the extra settings from the Beta version. I tried downloading the latest full version then unpacking the latest beta on it as usual and clicked the install bat but when it finished I STILL only see a few option on the HDR section. How can I fix this please? Thanks |
6th July 2022, 02:02 | #63277 | Link | |
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Join Date: Nov 2015
Posts: 467
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6th July 2022, 16:50 | #63278 | Link | |
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Location: Akron, OH
Posts: 491
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6th July 2022, 23:54 | #63279 | Link |
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Join Date: Mar 2010
Posts: 139
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hello i have a little problem, i'm using madvr with mpc and lav filters, i was always using dxva2 copyback, now i switched to d3d11 because someone say that it use less energy on the vga/cpu (actually o have a 3060ti)
my problem is this: i use triggercmd with alexa for vocal commands on mpc (using ID commands and autohotkey), with d3d11 many times the vocal commands not work, or work in retard anyone know why happen this? i have to switch back to dxva2? |
7th July 2022, 00:55 | #63280 | Link |
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Join Date: Nov 2015
Posts: 467
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You need to verify the power consumption on your own system. Different setups will function differently. GPU-Z is good for taking a look at the GPU power consumption in watts and GPU load %.
I think you might be the first person using Alexa to control this stuff, but if it works better in dxva2 mode then use that. Test out software decoding "None" while you're at it to see if it works better with Alexa. |
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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